Make external event plugins work properly again. Genpage should not be used? Will discuss on the forums.

Also add inactive/active placements to backend

include/functions_plugins_admin.inc.php

@@ -85,6 +85,9 @@ function show_plugins($event_only = false, $sidebars = null)
         }
     }
 
+    $opts['event'] = PLUGIN_ACTIVE;
+    $opts['eventh'] = PLUGIN_INACTIVE;
+
 
     $data['event_only'] = $event_only;
     if (!$event_only) {